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Abstract

A recent study (White et al. 2008) claimed that fishery profits will often be higher with management that employs no-take marine reserves than conventional fisheries management alone. However, this conclusion was based on the erroneous assumption that all landed fish have equal value regardless of size, and questionable assumptions regarding density-dependence. Examination of an age-structured version of the White et al. (2008) model demonstrates that their results are not robust to these assumptions. Models with more realistic assumptions generally do not indicate increased fishery yield or profits from marine reserves except for overfished stocks.

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This paper is not subject to U.S. copyright. The definitive version was published in Ecology Letters 12 (2009): E9-E11, doi:10.1111/j.1461-0248.2008.01272.x.

In this thesis, I expand a spatially-explicit bioeconomic fishery model to include the
negative effects of fishing effort on habitat quality. I consider two forms of effort driven
habitat damage: First, fishing effort ...

In 1986 the Government of Ecuador established the Galápagos Marine Resources Reserve encompassing the entire Galápagos Archipelago, an area embracing 70,00 square kilometers of the Pacific Ocean and its underlying seabed. ...

The biological benefits of marine reserves have garnered favor in the conservation community, but “no-take” reserve implementation is complicated by the economic interests of fishery stakeholders. There are now a number ...

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